Add jsonp support to wow api
* optional callback can be set to &callback=name defaults to callback
* changed port to 8887
Add first implementation of tooltip
* - no caching
* - no position detection of the tooltip
Add some css fixes and tooltip error-handling
Implement tooltip cachehandling
Implement tooltip collision detection
* handle collision in y- and x-axial
Fix collision detection for top
Fix tooltip design
Fix cache bug for tooltips
* rank in cache must match with requested rank
Add checks for red dependency texts
* display red dependency text if hovered tier is not yet active
* display red dependency text if a dependent talent is not capped
Fix calculation of needed points per tier in tooltip
Using mouseenter over mouseover
* mouseover has the drawback of triggering again if a children-element
  gets into hovered state
Remove unnecessary "use strict"
Improve comments for tooltipcachehandler
Completely reworked tooltip procedure
* making sure to show a loading spinner only when the data is not
  retrieved from the cache
* fixing size of tooltipcontainer while showing a loading spinner
* changed icon for spinner to a transparent one
* tooltipcontainer now has a transparent background color
* fixes a bug where sometimes multiple tooltips landed in the tooltipcontainer
  because the container was not cleared
Add some additions/fixes for tooltips and new scss-file helper
* helper.scss holds default basic styles like clearfix
* fix some styling issues in the tooltipcontainer
* replace div containers with spans where no div containers where needed
Add support for updating tooltips on adding or removing a point
* custom jquery event triggers an update of the tooltip that is currently displayed
  when a point is removed or added
Fix small bug in previous commit
Fix caching for tooltips
Remove unnecessary comment
* rank is calculated based on the spent points and already used
  to retrieve the current rank. This is the proper way to do so
Implement retrieving if multiple ranks at once
* multiple tooltip ranks can now be retrieved over the nodejs api
  separate ranks with a comma eg. rank=1,2